<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-align-3/#justify-abspos">
<style>
body {
  margin: 0;
}

.container {
  writing-mode: vertical-lr;
  direction: rtl;
  display: inline-block;
  position: relative;
  margin: 20px;
  border: solid 4px;
  width: 40px;
  height: 40px;
}

.item {
  writing-mode: vertical-lr;
  direction: ltr;
  position: absolute;
  background: green;
  inset: 0;
}

.item::before {
  width: 20px;
  height: 20px;
  content: '';
  display: block;
}

.rtl {
  direction: rtl;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>

<body onload="checkLayout('.item')">

<div class="container">
  <div class="item" style="justify-self: start;" data-expected-height="20" data-offset-y="20"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: center;" data-expected-height="20" data-offset-y="10"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: end;" data-expected-height="20" data-offset-y="0"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: baseline;" data-expected-height="20" data-offset-y="20"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: last baseline;" data-expected-height="20" data-offset-y="0"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: self-start;" data-expected-height="20" data-offset-y="0"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: self-end;" data-expected-height="20" data-offset-y="20"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: left;" data-expected-height="20" data-offset-y="0"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: right;" data-expected-height="20" data-offset-y="20"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: stretch;" data-expected-height="40" data-offset-y="0"></div>
</div>

<!-- RTL -->
<br>

<div class="container">
  <div class="item rtl" style="justify-self: start;" data-expected-height="20" data-offset-y="20"></div>
</div>

<div class="container">
  <div class="item rtl" style="justify-self: center;" data-expected-height="20" data-offset-y="10"></div>
</div>

<div class="container">
  <div class="item rtl" style="justify-self: end;" data-expected-height="20" data-offset-y="0"></div>
</div>

<div class="container">
  <div class="item rtl" style="justify-self: baseline;" data-expected-height="20" data-offset-y="20"></div>
</div>

<div class="container">
  <div class="item rtl" style="justify-self: last baseline;" data-expected-height="20" data-offset-y="0"></div>
</div>

<div class="container">
  <div class="item rtl" style="justify-self: self-start;" data-expected-height="20" data-offset-y="20"></div>
</div>

<div class="container">
  <div class="item rtl" style="justify-self: self-end;" data-expected-height="20" data-offset-y="0"></div>
</div>

<div class="container">
  <div class="item rtl" style="justify-self: left;" data-expected-height="20" data-offset-y="0"></div>
</div>

<div class="container">
  <div class="item rtl" style="justify-self: right;" data-expected-height="20" data-offset-y="20"></div>
</div>

<div class="container">
  <div class="item rtl" style="justify-self: stretch;" data-expected-height="40" data-offset-y="0"></div>
</div>

